In the Steinberg Download Assistant (SDA) open the Cubase tab and choose Cubase 11 Artist from the list. On the right side, you can see all and the only content, which is part of Cubase Artist 11 licenser. If you download and install all of these, you get the whole package.
Don’t install any other content from other tabs/pages of the SDA. You don’t have the license for the other content.